IUpdateInstaller::Install method
Starts a synchronous installation of the updates.
Syntax
HRESULT Install(
[out] IInstallationResult **retval
);
Parameters
- retval [out]
An IInstallationResult interface that represents the results of an installation operation for each update that is specified in a request.
Return value
This method returns the following HRESULT values and other COM or Windows error codes.
| Return code | Description |
|---|---|
| S_OK | The update was installed successfully. |
| WU_E_INSTALL_NOT_ALLOWED | Do not call this method when the installer is installing or removing an update. Call this method only when the IsBusy property of the IUpdateInstaller interface returns VARIANT_FALSE. |
| WU_E_NO_UPDATE | There are no updates in a collection. |
Remarks
This method returns WU_E_NO_UPDATE if the Updates property of IUpdateInstaller is not set. This method also returns WU_E_NO_UPDATE if the Updates property is set to an empty collection.
Requirements
Minimum supported client |
Windows XP, Windows 2000 Professional with SP3 [desktop apps only] |
Minimum supported server |
Windows Server 2003, Windows 2000 Server with SP3 [desktop apps only] |
Header |
Wuapi.h |
IDL |
Wuapi.idl |
Library |
Wuguid.lib |
DLL |
Wuapi.dll |